Good service levels will be a real USP, I expect. In the Netherlands where physical banks are a dying breed (especially those that deal with money. Aforementioned ABN Amro doesn't let you change a 100 Euro bill into 2 fifty bills, for instance). Especially the elderly are lost in the digital world and need guidance. For my parents for instance, every website is like a completely different app they need to learn how to use and with layouts changing all the time this is an enormous struggle to them.

I hate the fact that physical banks (and cash) are disappearing. I don't have complicated needs as to the digital services I consume, same as many other people. Then online banks become indistinguishable from the next, and it is ability to contact real people that sets them apart.